| /***************************************************************************** |
| * Copyright Statement: |
| * -------------------- |
| * This software is protected by Copyright and the information contained |
| * herein is confidential. The software may not be copied and the information |
| * contained herein may not be used or disclosed except with the written |
| * permission of MediaTek Inc. (C) 2005 |
| * |
| * BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES |
| * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") |
| * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON |
| * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. |
| * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE |
| * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR |
| * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH |
| * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO |
| * NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S |
| * SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM. |
| * |
| * BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE |
| * LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, |
| * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, |
| * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO |
| * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. |
| * |
| * THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE |
| * WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF |
| * LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND |
| * RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER |
| * THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC). |
| * |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| * |
| * Filename: |
| * --------- |
| * PCMRB.h |
| * |
| * Project: |
| * -------- |
| * Maui_sw |
| * |
| * Description: |
| * ------------ |
| * PCMRB utility |
| * |
| * Author: |
| * ------- |
| * ------- |
| *============================================================================ |
| * HISTORY |
| * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!! |
| *------------------------------------------------------------------------------ |
| * removed! |
| * removed! |
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| * |
| * |
| *------------------------------------------------------------------------------ |
| * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!! |
| *============================================================================ |
| ****************************************************************************/ |
| |
| #ifndef _PCMRB_DOT_H_ |
| #define _PCMRB_DOT_H_ |
| |
| /***************************************************************************** |
| * C O M P I L E R F L A G S |
| ****************************************************************************** |
| */ |
| |
| /***************************************************************************** |
| * E X T E R N A L R E F E R E N C E S |
| ****************************************************************************** |
| */ |
| #include "l1aud_common_def.h" |
| /***************************************************************************** |
| * C O N S T A N T S |
| ****************************************************************************** |
| */ |
| |
| /***************************************************************************** |
| * D A T A T Y P E S |
| ****************************************************************************** |
| */ |
| typedef struct PcmRingBufferStruct PCMRB; |
| struct PcmRingBufferStruct { |
| int16 *buffer; |
| int32 read; |
| int32 write; |
| int32 size; |
| }; |
| |
| /***************************************************************************** |
| * P U B L I C D A T A |
| ****************************************************************************** |
| */ |
| |
| /***************************************************************************** |
| * M A C R O S |
| ****************************************************************************** |
| */ |
| |
| /***************************************************************************** |
| * D A T A D E C L A R A T I O N S |
| ****************************************************************************** |
| */ |
| |
| /***************************************************************************** |
| * F U N C T I O N D E C L A R A T I O N S |
| ****************************************************************************** |
| */ |
| bool PCMRB_Init( PCMRB *rb, int16 *buffer, int32 buffer_size ); |
| int32 PCMRB_GetFreeSpace( PCMRB *rb ); |
| int32 PCMRB_GetDataCount( PCMRB *rb ); |
| void PCMRB_Write( PCMRB *dest_rb, int16 *src_buffer, int32 size ); |
| void PCMRB_Write_from_DSP( PCMRB *dest_rb, volatile uint16 *src_buffer, int32 size ); |
| void PCMRB_Write2( PCMRB *dest_rb, int16 *src_buffer, int32 size ); |
| void PCMRB_Read( PCMRB *src_rb, int16 *dest_buffer, int32 size ); |
| void PCMRB_Read_to_DSP( PCMRB *src_rb, volatile uint16 *dest_buffer, int32 size ); |
| void PCMRB_Read_to_DSP_Padding( PCMRB *src_rb, volatile uint16 *dest_buffer, int32 size ); |
| void PCMRB_GetWriteBlock( PCMRB *dest_rb, int16 **write_ptr, int32 *write_cnt ); |
| void PCMRB_GetReadBlock( PCMRB *src_rb, int16 **read_ptr, int32 *read_cnt ); |
| void PCMRB_ShiftWritePointer( PCMRB *rb, int32 shamt ); |
| void PCMRB_ShiftReadPointer( PCMRB *rb, int32 shamt ); |
| void PCMRB_ShiftReadPointer2( PCMRB *rb, int32 shamt ); |
| void PCMRB_Mix( PCMRB *dest_rb, PCMRB *src_rb, int32 size ); |
| |
| void pcm_mix_n( int16 *dest, int16 *src, int32 n ); |
| |
| /***************************************************************************** |
| * I N L I N E F U N C T I O N D E C L A R A T I O N S |
| ****************************************************************************** |
| */ |
| |
| #endif // ..._PCMRB_DOT_H_ |
| |